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Java Developer Jobs in Lewiston, NY, US
800+ java developer jobs from 200+ companies hiring in Lewiston, NY, US.
4d
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Software Test Engineer II
Toronto, Ontario, Canada
$68k-$88k/yr OnsiteFull Time, Contract
3+ YOE3-5+ years SDET experience; strong automation and AI tooling; proficient in C#/Java/JavaScript; API and UI testing; agile/Scrum familiarity; strong debugging and collaboration.
Selenium WebDriver, Git, Azure DevOps, SQL, SoapUI, Postman, C#, Java, JavaScript, Testim.io, Applitools, Mabl, Functionize, Katalon Studio, Protractor, Cypress, Playwright, GitHub Copilot
1w
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Senior Systems Developer – Sr Salesforce Developer
Toronto or Mississauga or Guelph or Burlington
$73k-$121k/yr HybridFull Time
5+ YOESenior Salesforce developer with 5+ years of experience; 2-3 years in Salesforce tech lead; proficient in Salesforce, Java/C#/.NET, JavaScript, REST/SOAP; Azure experience; strong communication and mentoring skills.
Salesforce, Java, C#, -.NET, JavaScript, HTML/CSS, JSON, XML, REST, SOAP, Azure
2w
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Solutions Engineer, Canada *Remote* (m/f/d)
Toronto, Ontario, Canada
RemoteFull Time
Pliant: Corporate credit card and B2B payment management platform.
5+ YOE5+ years in solutions engineering/technical consulting; strong API/integration experience; one programming language (TypeScript, Python, Java); strong communication; English fluency; high ownership and ability to build repeatable assets.
REST, JSON, OAuth, Postman, cURL, TypeScript, Python, Java
1mo
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Senior Platform Engineer
Buffalo, New York, United States
OnsiteFull Time
5+ YOEMinimum 5 years in Java development; API/integration experience; CI/CD with GitLab; cloud experience (AWS/Azure).
Java, REST, APIs, CI/CD, GitLab, AWS, Azure, iPaaS
2mo
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Senior Software Engineer
Toronto, Ontario, Canada
$130k-$145k/yr HybridFull Time
3+ YOE3+ years hands-on software development; technical leadership; client-facing experience; bachelor's degree in MIS/CS/Math/Engineering or equivalent; eligible to work in Canada; proficient in multiple languages and cloud technologies.
Python, .NET, Java, JavaScript, SQL, React, Redux, Angular, Vue.js, iOS, Android, AWS, Azure, Google Cloud
1mo
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Full-Stack Software Engineer (New Grad)
San Francisco or Toronto
$90k-$119k/yr HybridFull Time
Entry-level full-stack engineer with strong CS fundamentals and experience in backend (Java/Spring) or frontend (TypeScript/JavaScript), APIs, databases, and collaborative skills.
Java, Spring Boot, TypeScript, JavaScript, Python, Git, Docker, AWS, REST, GraphQL
1mo
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Senior Software Engineer, AI
Toronto, Ontario, Canada
$100k-$145k/yr HybridFull Time
1+ YOESenior Software Engineer with AI/ML experience, 1+ year software development, Python, ML frameworks, cloud familiarity.
Python, Java, JavaScript, C++, TensorFlow, PyTorch, scikit-learn, Git, Pandas, NumPy, SQL
2w
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Senior Developer - Senior Engineer in Production Management - Mississauga
Mississauga, Ontario, Canada
OnsiteMultiple Commitments Available
Photon: Software solutions delivering technology services
Senior software engineer with SDLC, Docker/Kubernetes, CI/CD, Agile, observability, and strong communication; stakeholder management.
Docker, Kubernetes, Istio, Terraform, CloudFormation, GitOps, Datadog, AppDynamics, Dynatrace, Kafka, Java, Python
3w
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Senior Backend AEM Developer
Toronto, Ontario, Canada
$90k-$125k/yr RemoteFull Time
6+ YOE6+ years of back-end web development with deep AEM experience; expert-level AEM 6.5+; strong Java/J2EE, Sling, OSGi, Maven; GraphQL, REST, and headless delivery; AWS CloudFront, CDN, and caching; WCAG 2.0 AA; CI/CD; Git; mentoring.
Java, J2EE, Apache Sling, OSGi, Maven, GraphQL, REST, AEM, Content Fragments, Web Performance, CDN, Dispatcher, AEM Cloud Manager, Git, CI/CD, OKTA, Veracode, Docker, Figma, React, Angular, Vue, AWS CloudFront, Azure DevOps, Azure Pipelines
3mo
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Senior Lead Machine Learning Engineer, Agentic AI
Lisbon or Toronto
HybridFull Time
8+ YOELead end-to-end development of agentic AI, design multi-agent systems, train/evaluate LLMs, and build scalable backend infrastructure.
Python, Go, Java, JavaScript, Kubernetes, Messaging, Streaming, APIs, SDKs
1d
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Développeur de support d'applications - Application Support Developer
Toronto, Ontario, Canada
HybridFull Time
3+ YOEMid-level Application Support Developer with AWS, Java, Linux, PostgreSQL, REST APIs, React/Angular, Git/Jira, CI/CD; Agile experience.
AWS, S3, Lambdas, CloudFormation, Java, Linux, PostgreSQL, Oracle SQL, HTML, CSS, JavaScript, React, Angular, REST APIs, RESTful microservices, Spring Framework, Git, Jira, Atlassian, CI/CD
1d
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Senior Cloud AI Software Developer (Remote) (Toronto, ON, CA)
Toronto, Ontario, Canada
RemoteFull Time
3+ YOEExperience designing and deploying AI models on Google Cloud Platform, with leadership and collaboration across data teams; strong GCP expertise and AI/ML development.
Google Cloud Platform, Vertex AI, Dataflow, Dataproc, Composer, Cloud SQL, Kubernetes, Cloud Functions, Pub/Sub, OpenAPI, LLMs, GPT, BERT, T5, GitHub Actions, Cloud Build, Deploy, Terraform, SRE, Blue-green, Canary, Python, JavaScript, Java
1d
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Intern, Software Developer (Fall 2026)
Toronto, Ontario, Canada
$74k-$90k/yr HybridInternship
Currently enrolled student in a Canadian post-secondary institution or technical program; available for 4–8 months; eligible to work in Canada; able to commute to Toronto HQ on Wednesdays and Thursdays; at least 2 paid work terms completed; internship with hybrid/remote work.
Ruby on Rails, Java, Kotlin, React, Angular, AWS, RDS, Aurora, SQS, SNS, S3, Kafka
1d
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Senior Frontend Engineer
Toronto, Ontario, Canada
$140k-$175k/yr HybridFull Time
Frontend engineer with React, TypeScript, JavaScript; data-heavy, configurable UIs; dashboards and BI experience; strong UX and collaboration skills.
React, TypeScript, JavaScript, SASS, Jest, Cypress, AWS, Docker, Java, Django, Postgres, Python
1w
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QA Engineer (Performance)
North York, Ontario, Canada
$80k-$90k/yr HybridFull Time
3+ YOE3-8 years in performance testing of Java microservices; API/UI automation a plus; degree in CS/IT or related field; strong programming skills (Java, C, C++, JavaScript); good problem solving and communication; eligible to work full-time in Canada.
Java, C, C++, JavaScript, TeamCity, Xray
1w
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Senior Systems Developer – Sr Salesforce Developer
Toronto or Mississauga or Guelph or Burlington
$73k-$121k/yr HybridFull Time
5+ YOE5 years Salesforce development, Salesforce Tech Lead experience, post-secondary IT/CS education, Salesforce Admin and Developer Certifications, integrations expertise, Agile/TDD/BDD familiarity.
Salesforce, Java, C#, DotNet, JavaScript, HTML/CSS, jQuery, JSON, XML, REST, SOAP, Microsoft Azure
2mo
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Engineering-Toronto-Associate-Software Engineering
Toronto, Ontario, Canada
OnsiteFull Time
3+ YOE3+ years distributed application development; strong Java; Python scripting; cloud experience; REST APIs; IAM and security knowledge.
AWS, Google Cloud Platform, Microsoft Azure, Terraform, Docker, Kubernetes, Java, Python, REST APIs, Infrastructure as Code
1mo
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Staff Engineer
Toronto or Waterloo
$125k-$195k/yr HybridFull Time
8+ YOE8+ years software engineering; senior engineering ownership; cross-team influence; expert in Java, React, Salesforce; enterprise integrations; capable leader and mentor.
Java, React, Salesforce, Enterprise Integrations, AI
1mo
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Staff Engineer
Toronto or Waterloo
$125k-$195k/yr HybridFull Time
8+ YOE8+ years software engineering; senior ownership; hands-on with Java, React, Salesforce; enterprise integrations; cross-team influence; strong communication; startup mindset.
Java, React, Salesforce, Enterprise Integrations, AI
2mo
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Staff Engineer, AI Core
Palo Alto or Miami or Washington or Durham or Toronto
HybridFull Time
Experience as a Staff Engineer or Senior Engineer shipping complex, large-scale consumer-facing mobile apps; strong backend and AI/ML data-pipeline experience; leadership and mentorship.
Flutter, AWS, Go, Java, Python, Clojure, Microservices, Event-driven
6d
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Data Engineer (Full Stack)
Mississauga, Ontario, Canada
$69k-$119k/yr HybridFull Time
3+ YOE3+ years in Google Cloud, Python/SQL/JavaScript, AI/ML with NLU; full-stack capabilities; BA/BS in CS/Engineering/Math.
Google Cloud Platform, Cloud Functions, Cloud Run, IAM, Python, SQL, JavaScript, TypeScript, Java, HTML, CSS, Vertex AI, GCP Orchestration
2w
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Software Engineer Intern
Toronto, Ontario, Canada
$22-$25/hr HybridInternship
Undergrad in CS/Software Eng/Computer Eng; strong TypeScript/React; web dev; SQL/NoSQL knowledge; AWS; REST; Git; strong analytical and communication skills.
TypeScript, React.js, HTML, JavaScript, CSS, VS Code, Git, AWS, Java, REST API
2w
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Senior Platform Engineer
Toronto or Vancouver
$101k-$125k/yr HybridFull Time
5+ YOEFull-time senior platform engineer with 5-8+ years in platform engineering/DevOps; Azure, API-first design; financial services experience preferred.
Azure, Azure DevOps, React, Java, Python, SQL, REST APIs, Splunk, CI/CD
1w
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Senior Quality Engineer
Toronto, Ontario, Canada
$100k-$120k/yr HybridFull Time
Senior QA engineer with automation, API testing, and performance testing experience.
Java, JUnit, TestNG, Selenium, Jira, Confluence, Git, Qtest, Cucumber, Jenkins, Azure Data Services, REST APIs, sFTP, Apache Tomcat, LDAP, XML/JSON, Kubernetes, Docker
1mo
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Software Engineer IV
Rochester or Buffalo or Utica or Dewitt or Albany
$88k-$177k/yr RemoteAll Commitments Available
3+ YOEAssociate degree or 3+ years of experience; basic programming knowledge; SDLC understanding; ability to communicate with teams; familiar with source control and basic security concepts.
Programming languages: C#/.NET, Java, SQL, C++, Python, Visual Basic, JavaScript, Informatica, CI/CD, Pega, Power BI, Cognos, Unix, Windows, OpenAPI, OWASP
1w
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Senior Software Engineer
Virginia Beach or Toronto
HybridFull Time
6+ YOE6-9 years engineering experience; Bachelor’s in engineering/computer science; full software lifecycle; strong APIs, security, AWS, and multiple languages.
C#, JavaScript, Node.js, Deno.js, Bun, Python, Java, AWS, GitHub, SQL
1w
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Associate Software Engineer
Toronto, Ontario, Canada
$72k-$88k/yr HybridFull Time
1+ YOEEntry-level software engineer with foundational programming skills and willingness to learn across software and hardware projects.
Python, Java, C++
1mo
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Sr. React Native Engineer
Toronto or Chicago
$135k-$165k/yr HybridFull Time
7+ YOE7+ years in React Native or React; native iOS/Android preferred; Redux/RTK; JavaScript/TypeScript; modern web or cross-platform mobile experience; AI tooling mindset.
Redux, RTK, JavaScript, TypeScript, Node, Express, Java, Spring, Mocha, Jest, Enzyme
1mo
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AVP, Lead AI Engineer
Toronto, Ontario, Canada
HybridFull Time
8+ YOE3+ Mgmt8-12 years in software/ML engineering; 3+ years as tech lead; strong Python and another language; deep LLM tooling knowledge; Kubernetes/Docker with CI/CD; experience delivering AI in user-facing products.
Python, TypeScript, Go, Java, Hugging Face Transformers, prompt engineering, post-training pipelines, inference optimization, Triton, DeepSpeed-Inference, vLLM, Kubernetes, Docker, CI/CD, GitHub Actions, Jenkins, Kafka
1w
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Software Engineer – AI/ML, Digital Pathology Image Management System (IMS)
Toronto, Ontario, Canada
$74k-$111k/yr HybridFull Time
Proficient in Python/Java/C++. Web frontend and backend experience; AI/ML integration; cloud and container tech; healthcare data handling.
Python, Java, C++, React, Angular, Django, Flask, Node.js, AWS, Azure, GCP, Docker, Kubernetes, SQL, NoSQL
4w
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Banking Applications Developer
Ottawa or Toronto
$75k-$80k/yr OnsiteFull Time
3+ YOEBachelor's degree or college diploma in CS/IS/Software Engineering; 3+ years in regulated/financial services; 3+ years data engineering/BI experience; strong SQL, Python, Java; experience with Microsoft Fabric, Azure, Power BI; Windows/Linux familiarity.
Microsoft Fabric, Azure Synapse, Power BI, Python, T-SQL, DAX, Java, Eclipse, Git, Oracle, Microsoft SQL Server
1mo
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Senior Data Developer - Streaming
Montreal or Toronto
OnsiteFull Time
4+ YOE4+ years building/operating production-grade event streaming pipelines; strong Kafka, Debezium, DMS, Flink; IaC with Terraform or Atmos; Python/Java; CI/CD; multi-region AWS; reliability engineering.
Kafka, Debezium, DMS, Apache Flink, Terraform, Atmos, AWS, Python, Java
1w
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Staff Backend Engineer
Toronto, Ontario, Canada
HybridFull Time
5+ YOEDesign and build scalable distributed backend services using JVM languages; strong Scala/Java/Kotlin experience; databases, messaging systems; leadership and collaboration.
Scala, Java, Kotlin, PostgreSQL, Redis, Kafka, Kinesis, Akka, Spark, Flink, Kubernetes, Terraform
2mo
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Senior Data Engineer
Toronto, Ontario, Canada
$149k-$182k/yr HybridFull Time
3+ YOE3+ years of Data Engineering experience; strong SQL; programming in Python/Java/Javascript; cloud exp (AWS/GCP/Azure); experience with data warehouses and BI tools; ability to work independently with stakeholders; startup adapting to change.
SQL, Python, Java, Javascript, AWS, GCP, Azure, Snowflake, BigQuery, Redshift, Looker, Metabase, Mode, Pandas, DBT
3mo
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Senior Data Engineer
Waterloo or Toronto
$131k-$178k/yr HybridFull Time
10+ YOE10+ years ETL/ELT experience; strong Python/Scala/Java; experience with Snowflake, Databricks, Spark, Kafka, Airflow; cloud platforms (AWS/Azure/GCP); data quality and governance focus; collaboration with data scientists and stakeholders.
Python, Scala, Java, Snowflake, Databricks, Apache Spark, Kafka, Airflow, AWS, Azure, GCP, Docker, Kubernetes
2mo
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Senior Software Engineer II
Toronto, Ontario, Canada
$181k-$213k/yr OnsiteFull Time
8+ YOE8+ years of professional software engineering; strong Python/Django, React, Postgres, Kafka; capable of leading complex projects, mentoring peers, and collaborating with product/design.
Python, Django, React, Postgres, Kafka, Java, gRPC, AWS
4w
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Principal Software Engineer
Toronto or Vancouver
$208k-$260k/yr RemoteFull Time
12+ YOE12+ years of hands-on software engineering; experience with microservices, cloud (AWS), security, performance; strong Java tech stack; ability to lead technically across domains.
Java, Springboot, Kubernetes, Terraform, Helm, Kafka, JPOS, AWS
2mo
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DevOps Engineer
Toronto, Ontario, Canada
HybridFull Time
3+ YOE3-5 years Linux/Unix admin in IaaS/PaaS/SaaS; AWS deployment (Route53, ELB, VPC, EC2, S3, ECS, SQS); Terraform IaC; SQL/NoSQL (MySQL, PostgreSQL, DB/2, DynamoDB); Chef/Puppet or similar; microservices via CI/CD; Bash/Python scripting; knowledge of Java/JavaScript/PHP.
Terraform, AWS, Route53, ELB, VPC, EC2, S3, ECS, SQS, Chef, Puppet, Bash, Python, Java, JavaScript, PHP
1mo
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Sr Principal Engineer, Data AI Analytics (41206)
Toronto, Ontario, Canada
$103k-$137k/yr HybridFull Time
4+ YOEData engineering expertise; design/maintain scalable ETL pipelines; data modeling; cloud platforms; Python/SQL/Java/Scala; 4+ years Python/Java/SQL; team collaboration.
Python, SQL, Java, Scala, Hadoop, Spark, Kafka, AWS, Azure, Google Cloud
1mo
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Power Systems Software Engineer (Electrical)
Toronto or Montreal or Ottawa or Quebec City or St. John or Halifax or Charlottetown
HybridFull Time
5+ YOEMasters or PhD in Electrical Engineering (Power Systems); P.Eng or eligible; 5+ years experience; strong power systems knowledge; programming in C/C++, Python, Matlab; willingness to travel and work across time zones.
C/C++, Visual Basic, Java, Python, Matlab
HiringCafe market data
Java Developer Jobs market signals in Lewiston, NY, US
These signals come from live HiringCafe job inventory, not a static article. Use them to compare the market, then open listings above to apply directly.
Open jobs
800+
Hiring companies
200+
Fresh sample
51% new in 30d
Salary visibility
65% show pay
Companies appearing in this market
Sun LifeThomson ReutersForma.aiAccentureCo-operatorsParivedaAlterna Savings and Credit UnionBroadridge
Work location mix in visible results
Hybrid: 37Onsite: 7Remote: 7